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Kathi Vidal joins other ex-USPTO leaders in 'settled expectations' pushback

By Melissa Ritti ( October 15, 2025, 14:22 GMT | Insight) -- The sixth petition for writ of mandamus relief over changes to the standard for securing inter partes review was filed last week. Former US Patent and Trademark Office Director Kathi Vidal weighed in Tuesday with an amicus curiae brief on behalf of the Public Interest Patent Law Institute in support of Cambridge Industries USA.The chorus of former leaders at the US Patent and Trademark Office wary of changes to the inter partes review (IPR) procedure made possible by 2011’s America Invents Act grew by one Tuesday, with a motion for leave to file an amicus curiae brief by Winston & Strawn’s Kathi Vidal....

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